is there any isomorphism between two $n{\times} n$ matrix groups with inverse? If yes, what the isomorphism function?.
I have read that the $n{\times}n$ group matrix or $GL(n,\Bbb C)$ is isomorphic tothe group matrix $GL(2n,\Bbb R)$. Is this true ?
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Bernard
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It's not even true for $n=1$. – Angina Seng May 02 '20 at 07:45
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1Welcome to MSE. Please read this text about how to ask a good question. – José Carlos Santos May 02 '20 at 07:51